JVC HR-XVC20US(R) Service Manual page 15

A
8
FROM POWER
7
P.CON+5V
GND
FROM/TO HI-FI/DEMODULATOR
FSC
TO_NORMAL_A
FROM_NORMAL_A
6
HF1
HF_COM
HF2
A.VCC
FROM/TO CYL
CP101
TOC-C09X-A1
5
9 HF1 (R)
8 HF_COM
7 HF2 (L)
P.CON+5V
6 SP-CH1 (R)
5 SP_COM
4 SP-CH2 (L)
3 EP/LP-CH1 (R)
2 EP/LP COM
1 EP/LP-CH2 (L)
4
TO_NORMAL_A
3
P.CON+5V
FROM/TO HEAD AUDIO CONTROL
CP102
V.REC_ST-H
IMSA-9604S-06C
6 AUDIO REC
5 AUDIO PB
CTL+
4 CTL+
CTL-
3 CTL-
2 AE HEAD(+)
1 AE HEAD(-)
AUDIO PB SW
Q101
2
FFC
KTC3875S_Y_RTK
CD102
2H061504
AUDIO PB SW
Q102
KTC3875S_Y_RTK
TO FULL ERASE HEAD
CP103
B2013H02-2P
GND
2 FE HEAD(GND)
HOT
1 FE HEAD(HOT)
1
A
B
L107
22uH
0305
C103
A.VCC
6.3V 22 MH7 6.3V
R105
C129
1K
1 B
C174 6.3V 47
KA
5.2
SW
R140
0
Q103
KRA103SRTK
2.2K 1/4W
COIL,BIAS OSC
5.3
L101
1626009
6 1
R101
5 2
560
4 3
0 20
R102
0.7
10K
0
0
R103
0.7
10K
0
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
B
C
C166
2.1
0.068 B
0
C169
2.9
0.047 F
C165
1.6
0.047 F
1.8
1.9
1.8
5.0
1.8
1.6
0
1.8
1.8
1.8
0
2.3
4.9
2.3
C105
0
22 MH7
C109
2.3
0.1 B
Y/C/AUDIO/CCD/HEAD AMP IC
IC101
LA71206M-MPB
BIAS CTL
Q105
KTA1266
L102
C112
0
100uH 5.2 6.3V 220
0305
5.2
R108
0
22K
0 BIAS OSC
0
Q104
KTC3203_Y C110
16V 47 MHE
C
D
Y/C/AUDIO/CCD/HEAD AM
4.8 4.8 0 5.2 0 5.2 5.2 5.2 4.9 2.1
60 59 58 57 56 55 54 53 52
COMP OUT
ENV AUDIO
C-ROT C-GND C-VCC
SERAIL
KILL DET MUTE RF-SW
HA SW IN
DET DECODER
HA
GND
CHROMA
DET
ACC
DET
P
R
P R
H 3.58M
P L
Main
C-LPF
CONV
HA VCC
+
4.21M
BPF
HA
Sub
PRE GND
CONV
P H
L
R
P
A-GND
1
ALC
2 R
LPF
3
P
A-VCC
ALC
DET VREF
REC
PB,EE
AMP
PB,EE
EQ
REC:LP<EP
AMP
PB:EP
SP,LP
Vref
2.3V
1 2 3 4 5 6 7 8 9
2.3 2.3 2.3 2.3 2.3 2.3 0 2.3 2.3 0.8
R109
R114
1K
1/4W
20K
C122
0.0012 B
R112
KA
330K
C118
0.01 B
19
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
D
(VCR P
KT
4.
R129
3.9
1.8K
3.
17
4.8 4.1 3.2 3.
51 50 49 48
320FH
VX01
VCO
P R
REC PB REC
APC APC AFC
BEFORE
R P
BG
BG
AFTER
BGA
R P
BPF2
B-UP
AMP
ACC
AMP
P P R
ACC
DET
P R
P
R
DETAIL
CLAMP
ENH
Y-L
NL NL
EMPHA EMPHA
FM
MOD
R-EQ
NORMAL
TEST
DOU
LI
LINE
REC
AMP
FM-EQ
FM PB
P R AGC FM EQ
VHS
MUTE
PHASE PHASE
AUTO
EQ EQ
BIAS
fo-ADJ Q-ADJ
10 11 12 13
4.8 1.1 1.1 1.4
18
2-3